1 package org.sentrysoftware.jawk.jrt;
2
3 /*-
4 * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
5 * Jawk
6 * ჻჻჻჻჻჻
7 * Copyright (C) 2006 - 2023 Sentry Software
8 * ჻჻჻჻჻჻
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as
11 * published by the Free Software Foundation, either version 3 of the
12 * License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Lesser Public License for more details.
18 *
19 * You should have received a copy of the GNU General Lesser Public
20 * License along with this program. If not, see
21 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
22 * ╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱
23 */
24
25 import java.util.Enumeration;
26
27 /**
28 * Similar to StringTokenizer, except that tokens are delimited
29 * by a regular expression.
30 *
31 * @author Danny Daglas
32 */
33 public class RegexTokenizer implements Enumeration<Object> {
34
35 private String[] array;
36 private int idx = 0;
37
38 /**
39 * Construct a RegexTokenizer.
40 *
41 * @param input The input string to tokenize.
42 * @param delimitterRegexPattern The regular expression delineating tokens
43 * within the input string.
44 */
45 public RegexTokenizer(String input, String delimitterRegexPattern) {
46 array = input.split(delimitterRegexPattern, -2);
47 }
48
49 /** {@inheritDoc} */
50 @Override
51 public boolean hasMoreElements() {
52 return idx < array.length;
53 }
54
55 /** {@inheritDoc} */
56 @Override
57 public Object nextElement() {
58 return array[idx++];
59 }
60 }